Your data.Your model.Your closed source.
Your data is your moat. We turn it into your own private AI brain and keep it inside your walls.
You're renting intelligence, and feeding the vendor.
Most companies now use AI by sending their data to someone else's model. Contracts, patient notes, customer lists, pricing. It leaves your building, it trains a model you don't own, and you pay a monthly fee to keep using it.
We build the other version.
We build closed-source AI that belongs to you.
We fine-tune a smaller model on your own documents and processes, and run it on your own servers or your own cloud. It becomes a central AI brain for your company. It knows how you actually work, it costs far less than a large general model, and your data never leaves your walls.
Three things we build, then keep sharp.
A model that knows you, the workflows that run on it, and a partner who keeps both ahead of the curve.
A model that knows your company.
We fine-tune a model on your documents, data, and domain so it acts as a living AI layer over everything your company knows. Deploy on your cloud or self-host. Your data never leaves your company, or even your country.
AI wired into how you actually work.
We design and build custom AI pipelines around your real operations: automating customer support, accelerating sales conversion, running intelligent e-commerce flows end to end. AI built into the work itself.
A partner, not a one-time install.
AI moves fast. We stay on, monitoring, retraining, and evolving your models and workflows as your business and the field change, so what we build keeps getting sharper instead of going stale.
Stop overpaying for intelligence you don't own.
You don't need a model built for the whole world. You need one built for your work, and the difference shows up in your bill, your control, and your results.
- × Built for everyone, tuned for no one
- × Your data leaves your walls on every call
- × Your data trains their model
- × Priced for billions of params you'll never use
- × Their roadmap, their outages, their price hikes
- + Fine-tuned for your business alone
- + Runs inside your own infrastructure
- + Your data trains only your model
- + Small, fast, and cheaper to run
- + Yours to keep, change, and control
The model is yours. No per-token bills, no lock-in, nobody else training on your work. We stay on afterwards to retrain it as your business changes.
Built for businesses that can't hand over the keys.
If your data is sensitive, regulated, or simply too valuable to leak, closed source is for you. We're built for teams where ownership isn't optional.
Your data. Your model. Your workflows. Your closed source.
If your data is sensitive or regulated, in finance, healthcare, legal, government or defence, we'd like to talk.
Who we are
CLOSED SOURCE PRIVATE LIMITED, a company incorporated in India. We build private, self-hosted AI systems for businesses that cannot send their data to third-party model providers.